1-8a-7a=a-15

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Solution for 1-8a-7a=a-15 equation: 



1-8a-7a=a-15

We move all terms to the left:

1-8a-7a-(a-15)=0

We add all the numbers together, and all the variables

-15a-(a-15)+1=0

We get rid of parentheses

-15a-a+15+1=0

We add all the numbers together, and all the variables

-16a+16=0

We move all terms containing a to the left, all other terms to the right

-16a=-16

a=-16/-16

a=1

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